Step-by-step explanation:

Answer:
answer 60,40 i think
Step-by-step explanation:
the perimiter is the outside of an object, when finding the perimiter you add the suroundding together, when it comes to area you multiply
Answer:
The correct answer to the following question will be "60 students".
Step-by-step explanation:
Marta will be taking a sampling frame from some kind of 600 student group.
Mean,
N = 60
Although the sampling method could perhaps consist of the following components 10% of the population,
⇒ 
⇒ 
In order to view these findings as autonomous, 60 students would then have to analyze Marta lacking replacements.
Answer:
21=x ( alternate angles are equal)